Internet connectivity providers have begun blocking access to the site, which offers a “screensaver that spams the spammers,” using idle computer time to attack sites that have been blacklisted for abusive spamming practices.

The attack launched by users of the MakeLoveNotSpam.com screensaver has succeeded in crippling several spammer sites, but some of the targeted sites remain available. Lycos Europe insists it is managing the traffic to merely slow the sites, rather than knock them entirely offline.